任毅，1987年5月生，中国致公党党员，工学博士，副教授，硕士生导师。现任重庆交通大学航空学院教师、重庆市科技青年联合会第七届理事会常务理事、重庆兵工学会材料科学与工艺专委会委员，担任《Additive Manufacturing》《Virtual and Physical Prototyping》《Defence technology》《Journal of Alloys and Compounds》《Materials & Design》《Thin-Walled Structures》等多个国内外高水平期刊审稿人，主持国家自然科学基金项目1项、重庆市自然科学基金面上项目等省部级科研项目4项、横向科研项目多项，参与重庆市自然科学基金创新发展联合基金（重点项目）1项。目前，已在《Materials & Design》《Scripta Materialia》《Materials Science & Engineering A》《Materials Characterization》《Defence technology》等期刊发表SCI学术论文45篇，申请国家发明专利4项，授权2项。

一、研究方向

1.航空动力结构轻量化设计与制造技术

2.增材制造钛合金组织调控与力学性能

3.轻合金塑性变形机制与断裂失效行为

二、科研项目

1.重庆市自然科学基金，面上项目，α钛合金高应变速率变形过程中的晶粒细化和织构控制，2019-07至2022-12，结题，主持

2.重庆市教委科技研究项目，青年项目，冲击载荷作用下航空用α型钛合金形变孪晶及其交互作用研究，2019-10至2022-10，结题，主持

3.国家自然科学基金委员会，青年基金，纯钛中高密度细小孪晶结构诱导晶粒细化及其对力学性能的影响，2021-01至2023-12，结题，主持

4.重庆市自然科学基金，联合基金（重点项目），基于能量自适应分配的飞行/电推进系统智能综合控制方法研究，2022-11至2025-10，在研，参与

5.全国重点实验室开放基金，钛合金LPBF增材制造部件XX性能评价与XX开发，2024-07至2026-06，在研，主持

6.重庆市自然科学基金，面上项目，增材制造钛合金点阵结构及其断裂失效行为研究，2025-06至2028-05，在研，主持

三、代表性科研成果

(一) 学术论文（*通讯作者）

[1] Yi Ren, Xiyan Zhang*, Qi Sun, Jian Tu, Qing Liu, Microstructural Characteristics of High-purity Titanium during Dynamic Compression, Rare Metal Materials and Engineering, 2017(46): 1850-1855.（权威期刊，SCI）

[2] Yi Ren, Xiyan Zhang*, Ting Xia, Qi Sun, Qing Liu, Microstructural and textural evolution of high-purity titanium under dynamic loading, Materials & Design, 2017 (126): 123-134.（TOP期刊，SCI，中科院2区）

[3] Yi Ren, Xiyan Zhang*, Qi Sun, Qing Liu, Compressive Twinning Behavior in High-purity Titanium, Rare Metal Materials and Engineering, 2018(47): 2061-2066. （权威期刊，SCI）

[4] LinJiang Chai, T. Wang, Y. Ren, Bo Song, Ning Guo, Liangyu Chen*, Microstructural and Textural Differences Induced by Water and Furnace Cooling in Commercially Pure Zr Annealed in the α+β Region, Metals and Materials International, 2018 (24): 673-680.（SCI，中科院3区）

[5] Chao Lou, Qi Sun, Yi Ren, LinJiang Chai, RiSheng Qiu, QingShan Yang, Xiyan Zhang*, Mis-layered structure of twin-twin interface with 7.4°<-12-10> misorientation relationship in Mg alloy, Materials Science and Engineering: A, 2019 (763): 138115.（SCI，中科院2区）

[6] Chao Lou, Y. Ren*, QingShan Yang, Liping Meng, Structural evolution on {10-12} co-zone twin-twin junction in magnesium single crystal, Materials Characterization, 2022 (192): 112171.（SCI，中科院1区）

[7] Yi Ren, Feng Xu*, Chao Lou, Wei Chen, QingShan Yang*, Observations of Contraction Twin Boundaries of High-Purity Titanium during Dynamic Loading, Metals, 2023 (13): 265.（SCI，中科院3区）

[8] Yi Ren*, Wei Ran, Yu Nie, Zuofan Liu, Chao Lou, Jianhong Li, Wei Chen, Excellent mechanical properties and energy absorption of hexagonal body-centered lattice structure fabricated by selective laser melting, Advanced Engineering Materials，2023 (25): 2300431.（SCI，中科院3区）

[9] Yi Ren*, Zuofan Liu, Siyang Cai, Yucheng hao, Yu Nie, Wei Ran, Wei Chen*, Mechanical Properties and Deformation Behaviors of Layered-Hybrid Lattice Structure Fabricated by Selective Laser Melting, Advanced Engineering Materials, 2024 ( 26): 2301040. （SCI，中科院3区）

[10] Yi Ren*, Yu Nie, Wei Ran, Zuofan Liu, Lixia Wang, Chao Lou, Wei Chen, Mechanical Properties and Energy Absorption of Soft–Hard Dual Phase Lattice Structures Manufactured via Selective Laser Melting, Metals and Materials International, 2024 (30): 303-314. （封面论文，SCI，中科院3区）

[11] Lou Chao, Zhang Fan, Hu Ting, Li N., Ren Yi*, Yang Qingshan, Slip responses and pre-twin structure evolution based on indentation pile-up in magnesium single crystal. Materials Science and Engineering: A, 2024 (900): 146488. （TOP期刊，SCI，中科院1区）

[12] Nie Yu, Ren Yi*, Gao Haoze, Liu Zhuofan, Ran Wei, Lou Chao*, Chen wei, Mechanical Properties of Selective Laser Melting-Processed Multihierarchical Lattice Structure Based on Body-Centered-Cubic Unit Cell, Advanced Engineering Materials, 2024, 2400330. （SCI，中科院3区）

[13] Yucheng Zhao, Yi Ren*, Siyang Cai, Zhuofan Liu, Haoze Gao, and Wei Chen, Mechanical Properties and Deformation Behaviors of Node-Reinforced Ti–6al–4v Lattice Structures Manufactured by Laser Powder Bed Fusion, Advanced Engineering Materials, 2024 (26) , 2401213. （SCI，中科院3区）

[14] Zhihao Xie, Xinqiang Fu, Qin Zhang, Lulu Liu*, Xinying Zhu, Yi Ren, Wei Chen, Ballistic Performance of Additive Manufacturing Metal Lattice Structures, Thin-Walled Structures, 2025 (208) , 112763. （SCI，Top期刊，中科院1区）

[15] Yi Ren*, Wei Ran, Yongxun Li, Bowen Xue, and Wei Chen, Enhancing the Energy Absorption Capacity of Ti–6al–4v Lattice Structure Manufactured by Additive Manufacturing through β-annealing, Journal of Materials Research and Technology, 2025 (35), 2369-76. （SCI，中科院2区）

[16] Yi Ren*, Yu Nie, Bowen Xue, Yucheng Zhao, Lulu Liu, Chao Lou, Yongxun Li, Wei Chen*, Synergistic enhancement of load-bearing and energy-absorbing performance in additively manufactured lattice structures through modifications to conventional unit cells, Defence Technology, 2025 (52), 116-130. (SCI，Top期刊，中科院1区) 

[17] Yi Ren*, Siyang Cai, Bowen Xue, Yucheng Zhao, Chao Lou, Yongxun Li, and Wei Chen, Mechanical Properties of Additively Manufactured Node-Reinforced Lattice Structures: Effects of Spherical Node Size and Distribution, Metals and Materials International, 2025. （SCI，中科院3区 ）

[18] Xinyi Cao, zhuofan Liu, Yi Ren* , Lulu liu, Bowen Xue, Wenzhe Nie, Chao Lou, Wei Chen,  Deformation Behavior and Energy Absorption Capacity ofAdditively Manufactured Dual-Phase Hybrid Ti–6Al–4V Lattice Structures, Advanced Engineering Materials, 2025 (27), e202501871. (SCI, 中科院3区) 

[19] Bowen Xue, Wei Chen, Yi Ren*, Zhihao Xie, Lulu Liu*, Ling Yang, Wenzhe Nie, and Xinyi Cao, Additive Manufacturing of Novel In625 Hierarchical Lattice Structures with Superior Mechanical Performance and Energy Absorption Capabilities, Journal of Materials Research and Technology, 2025 (39), 4366-3477. (SCI, 中科院2区)

[20] Zhihao Xie, Jie Chen, Lulu Liu*, Yi Ren, Wei Li, Fei Zeng, Qin Zhang, Wei Chen, Comparison of Deformation Characteristics and Energy Absorption of Additively Manufactured Superalloys Lattice Structures under Quasi-Static Compression, Materials & Design, 2025 (260), 115239. (SCI, 中科院2区)

(二) 发明专利

1.任毅，陈建华，娄超；一种用于高温单温区气氛炉的夹持装置, 2020-09-18, 中国, ZL 201910672328.0

2.任毅，冉威，陈伟，聂宇，刘卓凡；一种密排六方点阵夹层结构，2022-08-21，中国，ZL 202211002273.0

3.任毅，蒲林，娄超，刘卓凡；一种金属混合点阵夹层结构及其一体化成形方法，2023-02-06，中国，202310666579.4

4.任毅，薛博文，刘璐璐，陈伟，谢志浩，一种高能量吸收的分层级点阵结构，2025-06-05，中国，202510745935.0

四、科研团队

航空动力结构轻量化设计与制造技术团队。每年招收硕士生4-5名。欢迎航空航天类、机械类、材料类等专业同学报考研究生。

联系电话：15213165533

电子邮件：yi.ren@cqjtu.edu.cn